Oahu, USA: Annual Weather Averages

The wettest month is December with an average of 36mm of rain. .

Average High/Low Temperature: Oahu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 24 24 24 25 26 27 28 28 28 27 26 25
Low °C 17 17 17 18 19 20 20 21 20 20 19 18
High °F 75 75 75 77 79 81 82 82 82 81 79 77
Low °F 63 63 63 64 66 68 68 70 68 68 66 64

Average Rainfall: Oahu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 20 18 32 14 15 10 8 17 11 16 24 36

Chance of sunny day: Oahu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
% 16 15 12 11 9 8 9 14 16 14 16 19

Chance of rain: Oahu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
% 56 55 58 60 50 57 65 55 57 55 56 58

Chance of windy day: Oahu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
% 4 7 6 4 1 2 1 1 1 1 2 3

Chance of cloudy day: Oahu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
% 32 31 39 37 33 40 40 34 24 27 29 36

Chance of fog day: Oahu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
% 1 0 1 0 1 0 0 0 0 1 1 1

Chance of snow day: Oahu

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
% 0 0 0 0 0 0 0 0 0 0 0 0

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